Having similar problem: i see only half of my drives in "Allocate Drive Space" dialog.
/dev/sda/ - raid disk, Gparted:visible, Installer GUI: invisible /dev/sdb/ - standalone disk, Gparted:visible, Installer GUI: visible /dev/sdc/ - standalone disk, Gparted:visible, Installer GUI: invisible /dev/sdh/ - raid disk, Gparted:visible, Installer GUI: invisible /dev/sdi/ - raid disk, Gparted:visible, Installer GUI: visible
Using: Ubuntu 10.10 raid: Silicon Image SiI
Attaching my syslog too: may be it will help.
Having similar problem: i see only half of my drives in "Allocate Drive Space" dialog.
/dev/sda/ - raid disk, Gparted:visible, Installer GUI: invisible
/dev/sdb/ - standalone disk, Gparted:visible, Installer GUI: visible
/dev/sdc/ - standalone disk, Gparted:visible, Installer GUI: invisible
/dev/sdh/ - raid disk, Gparted:visible, Installer GUI: invisible
/dev/sdi/ - raid disk, Gparted:visible, Installer GUI: visible
Using: Ubuntu 10.10
raid: Silicon Image SiI
Attaching my syslog too: may be it will help.